LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4088

Opegrapha vermicellifera (Kunze) J. R. Laundon

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
[th] upper surface: grey(ish) | white(ish)
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 0.3
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent | present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 15.0 (high) 32.0
[asp] width [µm]: (low) 2.5 (high) 3.5 (max) 4.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 4.0 (high) 5.0 (max) 6.0
[asp] pigmentation: hyaline, colourless | pale brown | medium brown, brownish | dark brown
conidiomata: absent | present
conidia: fusiform | [cur] – curved, unciform, falcate, sickle-shaped
[co] length [µm]: (low) 4.0 (high) 7.0
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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